Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8019587 | Software upgrade of redundant network components | Robert H. Abell, Comandur S. Kannan, Timothy P. Vetter | 2011-09-13 |
| 6393112 | System method for facilitating intelligent network call processing using a call context database | Louis G. Gottlieb, Eric Zimmerer | 2002-05-21 |
| 5844973 | Conference billing system with ID tagging | Louis G. Gottlieb, Larry Ray DeVries | 1998-12-01 |
| 5787150 | Method and system for automated collect call messaging | Doug Reiman, Rick L. Groene, Duraisamy Gunasekar, Samuel Mullins, Jesse Peterson | 1998-07-28 |
| 5638434 | Conference system for dial-out telephone calls | Louis G. Gottlieb | 1997-06-10 |